Basic Electronics and Electric Circuits

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Across
  1. 3. allow cuttent to flow through in one direction only
  2. 6. used as warning device
  3. 7. LED has two terminals - _________ and cathode
  4. 8. measures component values amd troubleshooting
  5. 11. S.I. unit for current
  6. 13. difference also known as electric 'pressure'
  7. 14. rate at which the energy is changed
  8. 15. used to turn wheels, gears, cams or pulleys
Down
  1. 1. used in alarm systems to detect when a door is opened
  2. 2. commonly used as ON/OFF switch for toys, electronics games etc
  3. 4. also known as solar panel
  4. 5. can be found in calculators, telephones etc
  5. 9. material that does not allow electricity to flow through
  6. 10. used to protect other components from being damaged
  7. 12. act as saftey device to break circuit when a door is opened